The NHC warned that Tropical Storm Ivo is forecast to bring total rainfall of 2 to 4 inches—reaching up to 6 inches in certain locations—across parts of the Mexican states of Guerrero, Michoacán de Ocampo, and Colima through Friday, raising the risk of flash flooding.

Located about 385 miles southeast of the southern tip of Baja California, Mexico, Tropical Storm Ivo was moving northwest at 21 mph with maximum sustained winds near 60 mph and higher gusts, the National Hurricane Center said in an advisory on Thursday, Aug. 7.

Ivo was a tropical storm in the North Pacific Ocean Sunday afternoon Eastern time, the National Hurricane Center said in its latest advisory. Ivo is the ninth named storm to form in the Eastern Pacific in 2025.